<!DOCTYPE html>
<html lang="en">

<head>
    <title></title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link href="css/style.css" rel="stylesheet">
</head>

<body>
    <style>
        .a_upload {
            padding: 4px 10px;
            margin-bottom: -10px;
            margin-left: 20px;
            height: 20px;
            line-height: 20px;
            position: relative;
            cursor: pointer;
            color: #888;
            background: #fafafa;
            border: 1px solid #ddd;
            border-radius: 4px;
            overflow: hidden;
        }

        .a_upload input {
            position: absolute;
            font-size: 100px;
            right: 0;
            top: 0;
            opacity: 0;
            filter: alpha(opacity=0);
            cursor: pointer
        }

        .a_upload:hover {
            color: #eee;
            background: #ebffff;
            border-color: #ccc;
            text-decoration: none
        }
    </style>

    <div class="upload">
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        <a href="javascript:;" class="a_upload">
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            <input type="file" name="file" id="file">
        </a>
    </div>
</body>

</html>